1904064 has 56 divisors (see below), whose sum is σ = 5169408. Its totient is φ = 618240.

The previous prime is 1904041. The next prime is 1904069. The reversal of 1904064 is 4604091.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919 + ... + 9129.

2^1904064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1904064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2584704).

1904064 is an abundant number, since it is smaller than the sum of its proper divisors (3265344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1904064 is a wasteful number, since it uses less digits than its factorization.

1904064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1904064 is about 1379.8782554994. The cubic root of 1904064 is about 123.9444773973.

The spelling of 1904064 in words is "one million, nine hundred four thousand, sixty-four".